OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

Anybody can also use this tool to create and share codelists. To get started, take a look at the documentation or watch the videos.

If you would like to publish codelists on behalf of an organisation, please get in touch.

Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

All codelists


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Generic salbutamol MDI inhalers dm+d
Taken from the `GENSALBMDIINHDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Genetic syndrome related diabetes codes SNOMED CT
Taken from the `GENETSYNDM_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Genetically proven familial hypercholesterolaemia codes SNOMED CT
Taken from the `FHYPGEN_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Gestational Diabetes SNOMED CT
Taken from the `GDIAB_COD` fields in SARS-CoV2 (COVID-19) Vaccine Uptake Reporting Codes v.1.5.3
Gestational Diabetes Codes SNOMED CT
Taken from the `GESTDIAB_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Giant Cell Arteritis CTV3
Codes indicating a diagnosis of Temporal Arteritis or Giant Cell Arteritis
Published by OpenSAFELY
Giant Cell Arteritis (GCA) codes SNOMED CT
Taken from the `GCA_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Glucocorticoids associated with high risk of osteoporosis dm+d
This codelist aims to identify glucocorticoids that are associated with a high risk of osteoporosis when administered on a long-term basis.
Published by OpenSAFELY
Glucose (all) level SNOMED CT
...
Published by Ardens
Glucose (fasting) level SNOMED CT
...
Published by Ardens
Glucose test exception codes SNOMED CT
Taken from the `GLUCEXC_COD` refset published by NHSD.
Glucose test recording codes SNOMED CT
Taken from the `GLUC_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Glucose test recording codes (obsolete) SNOMED CT
Taken from the `GLUC_COD` refset published by NHSD.
Glycated haemoglobin (HbA1c) tests SNOMED CT
A SNOMED CT codelist for patients receiving monitoring of glycated haemoglobin (HbA1c) tests.
Published by OpenSAFELY
Glycated haemoglobin (HbA1c) tests (numerical value) SNOMED CT
A SNOMED CT codelist for patients receiving monitoring of glycated haemoglobin (HbA1c) tests, which contains a numerical value using the newer IFCC units.
Published by OpenSAFELY